/*
 * Copyright (C) 2013 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.squareup.picasso;

import ohos.aafwk.ability.DataAbilityHelper;
import ohos.aafwk.ability.DataAbilityRemoteException;
import ohos.app.Context;
import okio.Okio;
import okio.Source;

import java.io.*;

import static com.squareup.picasso.Picasso.LoadedFrom.DISK;

class ContentStreamRequestHandler extends RequestHandler {
  private static final String SCHEME_CONTENT ="dataability";
  final Context context;

  ContentStreamRequestHandler(Context context) {
    this.context = context;
  }

  @Override public boolean canHandleRequest(Request data) {
    return SCHEME_CONTENT.equals(data.uri.getScheme());
  }

  @Override public Result load(Request request, int networkPolicy) throws IOException, DataAbilityRemoteException {
    Source source = null;
    try {
      source = Okio.source(getInputStream(request));
    } catch (DataAbilityRemoteException e) {
      e.printStackTrace();
    }
    return new Result(source, DISK);
  }

  public InputStream getInputStream(Request request) throws FileNotFoundException, DataAbilityRemoteException {
    DataAbilityHelper da=DataAbilityHelper.creator(context);

    FileDescriptor fd=null;
    try {
      fd= da.openFile(request.uri,"r");

    }catch (Exception e){

    }
    return new FileInputStream(fd);
  }
}
